{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system", "common vulnerabilities and exposures", "vulnerability", "capabilities", "vulnerable system owner", "discoverer", "supported platform", "time"]}], "input": "Yesterday 's April 2018 Patch Tuesday updates train included a fix for CVE -2018-0950 , a vulnerability in Microsoft Outlook discovered by Will Dormann , a vulnerability analyst at the CERT Coordination Center ( CERT / CC ) ."}
{"discover vulnerability": [{"vulnerable system": "Microsoft Outlook", "common vulnerabilities and exposures": "CVE -2018-0950", "vulnerability": "a vulnerability", "capabilities": "NAN", "vulnerable system owner": "NAN", "discoverer": ["Will Dormann", "the CERT Coordination Center ( CERT / CC )"], "supported platform": "NAN", "time": "NAN"}]}